<?php

/**
 * This is the model class for table "tbl_user".
 *
 * The followings are the available columns in table 'tbl_user':
 * @property integer $id
 * @property string $username
 * @property string $password
 * @property string $salt
 * @property string $email
 * @property string $profile
 */
class User extends CActiveRecord
{
    public $password_repeat;
	/**
	 * Returns the static model of the specified AR class.
	 * @return User the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'tbl_user';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('username, password,password_repeat, email', 'required'),
			array('username, password, salt, email', 'length', 'max'=>128),
			array('profile', 'safe'),
            array('email, username', 'unique'),
            array('password', 'compare'),
            array('password_repeat', 'safe'),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, username, password, salt, email, profile', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => '编号',
			'username' => '用户名称',
			'password' => '用户密码',
			'password_repeat' => '确认密码',
			'salt' => '干扰码',
			'email' => '用户邮箱',
			'profile' => '用户描述',
		);
	}
    /**
     * Prepares create_time, create_user_id, update_time and
     * update_user_ id attributes before performing validation.
     */
    protected function beforeValidate() {
 
        if ($this->isNewRecord) {
            // set the create date, last updated date
            // and the user doing the creating
            $this->create_time = $this->update_time = date( 'Y-m-d H:i:s', time() );
 
            $this->create_user_id = $this->update_user_id = Yii::app()->user->id;
        } else {
            //not a new record, so just set the last updated time
            //and last updated user id
            $this->update_time = date( 'Y-m-d H:i:s', time() );
            $this->update_user_id = Yii::app()->user->id;
 
        }
        return parent::beforeValidate();
    }
    /**
      * perform one-way encryption on the password before we store it in the database
      */
    protected function afterValidate() {
        parent::afterValidate();
        $this->password = $this->encrypt($this->password);
    }
//    加密算法
    public function encrypt($value) {
        return md5($value.Yii::app()->params['salt']);
    }
	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('username',$this->username,true);
		$criteria->compare('password',$this->password,true);
		$criteria->compare('salt',$this->salt,true);
		$criteria->compare('email',$this->email,true);
		$criteria->compare('profile',$this->profile,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
}